Sony DVS-7200A Maintenance Manual page 117

Names of ICs on the CPU-263 board corresponding to each item of the "Memory test" display on the
front page are shown below.
0. RAM
1. DEBUG RAM
2. BACKUP RAM
3. EEPROM
4. VRAM (M)
5. VRAM (S)
6. DPR (SUB)
7. DPR (SIO0)
8. DPR (SIO1)
9. DPR (SIO2)
10. DPR (SIO3)
11. DPR (AND)
12. MAIN FLASH
13. FONT FLASH
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The ICs of the above test items 2, 3, 12 and 13 are stored the data if turning the power off. But if this test
is performed, the memory contents are erased. The memory content of items 2 which are the setup
information must be copied to a floppy disk before starting the test, and be down-loaded to the memory
ICs after completing the test.
DVS-7200AE MMP1
Item IC
IC43 - 50
For factory
IC39
For factory
IC93, 94
IC111, 112
IC136, 137
IC85
IC80
IC1 (IF-523 board)
IC6 (IF-523 board)
IC140
IC51, 52, 55, 56, 59, 60, 63, 64
IC103, 104
3-6. Troubleshooting (BKDS-7025/7026)
3-6-4. Test Procedures
3-49